code: def get_app():
      from docs_src.request_files.tutorial003_an_py39 import app
  
      return app
  
file_path: fastapi/tests/test_tutorial/test_request_files/test_tutorial003_an_py39.py
imports: import pytest
  from fastapi import FastAPI
  from fastapi.testclient import TestClient
  from ...utils import needs_py39
label_desc: Use image node_id 1 for calling a global function with example usage: get_app() and returns: app